<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片区域 -->
    <el-card>
      <el-row :gutter="20">
        <!-- 头部搜索区域 -->
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsLIst">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsLIst"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddGoods">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 商品列表展示区域 -->
      <el-table :data="goodsLIst" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格（元）" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="200px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeListById(scope.row)"></el-button>
          </template>
        </el-table-column>

      </el-table>

      <!-- 分页 -->
      <el-pagination @size-change="goodshandleSizeChange" @current-change="goodshandleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[10, 20, 30, 40]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background>
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  created() {
    this.getGoodsLIst()
  },
  data() {
    return {
      // 商品列表查询参数
      queryInfo: { query: '', pagenum: 1, pagesize: 10 },
      // 商品列表
      goodsLIst: [],
      total: 0
    }
  },

  methods: {
    // 获取商品列表
    async getGoodsLIst() {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error('查询商品列表失败')
      }
      this.goodsLIst = res.data.goods
      this.total = res.data.total
      console.log(this.goodsLIst);
    },
    // 切换n条/页事件
    goodshandleSizeChange(pageSize) { this.queryInfo.pagesize = pageSize, this.getGoodsLIst() },
    // 当前是第几页
    goodshandleCurrentChange(newPage) { this.queryInfo.pagenum = newPage, this.getGoodsLIst() },

    // 删除商品按钮
    async removeListById(row) {
      const res = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      console.log(res);
      if (res !== 'confirm') return this.$message.info('取消了删除商品')
      const { data: re } = await this.$http.delete(`goods/${row.goods_id}`)
      if (re.meta.status !== 200) return this.$message.error('删除商品失败!')
      this.$message.success('删除商品成功!')
      this.getGoodsLIst()
    },

    // 添加商品按钮
    goAddGoods() { this.$router.push('/goods/add') }
  }

}
</script>

<style lang="less" scoped>
.el-pagination {
  display: flex;
  justify-content: flex-end;
  margin-top: 15px;
}
</style>